Finding the Fourth Proportional to 1,409,767.68, 1,945,427.20 and 765,174.08
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Solution
The fourth proportional to 1,409,767.68, 1,945,427.20 and 765,174.08 is: 1,055,911.90
Step by Step Solution
- Step 1: Write the proportion equation
1,409,767.68 : 1,945,427.20 = 765,174.08 : x - Step 2: Convert to fraction form
1,409,767.68/1,945,427.20 = 765,174.08/x - Step 3: Cross multiply
1,409,767.68x = 1,945,427.20 × 765,174.08 - Step 4: Simplify right side
1,409,767.68x = 1,488,590,467,966.98 - Step 5: Solve for x
x = 1,488,590,467,966.98/1,409,767.68 - Step 6: Final answer
x = 1,055,911.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.